[Intel-gfx] [PATCH 04/23] drm/i915/rkl: Load DMC firmware for Rocket Lake

[Srivatsa, Anusha]

> -----Original Message-----
> From: Roper, Matthew D <matthew.d.roper at intel.com>
> Sent: Friday, May 1, 2020 10:37 PM
> To: intel-gfx at lists.freedesktop.org
> Cc: Roper, Matthew D <matthew.d.roper at intel.com>; Srivatsa, Anusha
> <anusha.srivatsa at intel.com>
> Subject: [PATCH 04/23] drm/i915/rkl: Load DMC firmware for Rocket Lake
> 
> Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
> Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa at intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_csr.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_csr.c
> b/drivers/gpu/drm/i915/display/intel_csr.c
> index 3112572cfb7d..319932b03e88 100644
> --- a/drivers/gpu/drm/i915/display/intel_csr.c
> +++ b/drivers/gpu/drm/i915/display/intel_csr.c
> @@ -40,6 +40,10 @@
> 
>  #define GEN12_CSR_MAX_FW_SIZE		ICL_CSR_MAX_FW_SIZE
> 
> +#define RKL_CSR_PATH			"i915/rkl_dmc_ver2_01.bin"
> +#define RKL_CSR_VERSION_REQUIRED	CSR_VERSION(2, 1)
> +MODULE_FIRMWARE(RKL_CSR_PATH);
> +
>  #define TGL_CSR_PATH			"i915/tgl_dmc_ver2_06.bin"
>  #define TGL_CSR_VERSION_REQUIRED	CSR_VERSION(2, 6)
>  #define TGL_CSR_MAX_FW_SIZE		0x6000
> @@ -682,7 +686,11 @@ void intel_csr_ucode_init(struct drm_i915_private
> *dev_priv)
>  	 */
>  	intel_csr_runtime_pm_get(dev_priv);
> 
> -	if (INTEL_GEN(dev_priv) >= 12) {
> +	if (IS_ROCKETLAKE(dev_priv)) {
> +		csr->fw_path = RKL_CSR_PATH;
> +		csr->required_version = RKL_CSR_VERSION_REQUIRED;
> +		csr->max_fw_size = GEN12_CSR_MAX_FW_SIZE;
> +	} else if (INTEL_GEN(dev_priv) >= 12) {
>  		csr->fw_path = TGL_CSR_PATH;
>  		csr->required_version = TGL_CSR_VERSION_REQUIRED;
>  		/* Allow to load fw via parameter using the last known size */
> --
> 2.24.1